Solar leases vs. solar ppas: An overview

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solar leases vs ppas

Many solar installers advertise solar leases or power purchase agreements (PPAs) as an easy way to reduce your electricity bill. And they're not wrong; if you're interested in a simple, low-maintenance way to install a solar panel system for your home, leasing solar panels may be a good option.

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Key takeaways

  • Most solar lease and PPA options are $0-down, but some require a down payment or ask you to pay upfront.

  • With a solar lease or PPA, you can typically expect 10-30% savings on utility bill costs.

  • With both options, you do not own the solar equipment on your property.

  • If you sign a solar lease or PPA, the tax credits and other financial incentives belong to the system's owner (not you).

  • The EnergySage Marketplace can help you find and evaluate your solar lease and PPA options and high-quality screened solar installers.

Do you lease your car or have friends that do? Solar leases and PPAs work similarly. With these financing options, instead of buying a solar panel system, you can lease it for 20-25 years and still receive the energy produced by the panels.

During this time, you pay the solar leasing company for the benefits of the solar panel system (i.e., the solar electricity powering your home). However, because the solar leasing company owns the equipment, they are responsible for maintenance. They are also entitled to all the rebates, tax breaks, and performance-based incentives available for solar in your area.

While we use the terms "solar lease" and "solar PPA" interchangeably in this article, there is a key difference between the two.

With a solar lease, you agree to pay a fixed monthly lease (e.g., $150 a month). Your leasing company determines this amount based on the estimated annual production of your solar panel system.

However, with a solar PPA, you agree to purchase the power generated by the system at a set price per kilowatt-hour (kWh) (e.g., $0.15 per kWh) instead of paying a fixed monthly amount. Because solar panels typically produce more electricity during the summer than during the winter, most people with a PPA have higher solar bills in the summer (and more bill savings) during the summer months.

Between the two, savings are typically the same over the year. In other words, if you average out solar PPA payments over a year, that would equate to a monthly solar lease payment. Here's how this plays out for a 7 kilowatt (kW) a state like Massachusetts that covers 100% of a household's electricity consumption over 12 months:

Lease vs. PPA payments

Solar Production (k Wh)
Lease Payment ($96.60 Per Month)
PPA Payment ($0.15 Per K Wh)
January318 kWh$96.60$47.70
February364 kWh$96.60$54.60
March500 kWh$96.60$75.00
April727 kWh$96.60$109.05
May864 kWh$96.60$129.60
June1,091 kWh$96.60$163.65
July1,000 kWh$96.60$150.00
August955 kWh$96.60$143.25
September818 kWh$96.60$122.70
October500 kWh$96.60$75.00
November318 kWh$96.60$47.70
December273 kWh$96.60$40.95
Total7,728 kWh$1,159.20$1,159.20
Average monthly644 kWh$96.60$96.60

With both options–a monthly lease payment of $96.60 or a PPA rate of $0.15 per kWh–you'd pay about the same over 12 months, generate the same amount of solar electricity, and save the same amount on your utility bills.

Whether you should choose a solar lease or a PPA mostly depends on preference: It's easier to budget lease payments since you know what to expect each month. However, because your solar payment with a PPA is tied directly to your system's production, you have more of a guarantee there that you'll get exactly what you pay for.

Solar lease agreements and PPA agreements look more complicated than a solar loan or cash purchase because of the additional terms included. However, they generally come with some flexibility in terms should your circumstances change.

Here are some common terms included in solar leases and PPAs that you should understand:

  • Annual escalator: These are common in lease and PPA agreements; if included, your leasing company will increase your monthly payment (for a lease) or rate per kWh (for a PPA) each year.

  • Term length: Residential solar leases are usually for 20 to 25 years. Commercial solar leases can be customized and generally range from 7 to 20 years.

  • Performance & maintenance: The leasing company will monitor the system's performance to ensure that it is operating correctly for the duration of the lease. They are also responsible for maintaining and repairing it (but for what it's worth, solar panels require little to no maintenance over their lifetime.)

  • Monitoring: Most solar leasing companies offer free online, smartphone, or tablet programs to track your solar panel system's performance.

  • Buying the system: Many solar leases allow you to buy out your solar panel system during the lease, typically at a price defined in your contract or its fair market value, whichever is higher.

  • Selling your home: If you sell your property, you can transfer the remainder of your lease to the homebuyer or buy the system from your leasing company and include it in the sale of your property. Your potential homebuyer will likely have to go through some form of credit check, but generally speaking, if they can obtain a mortgage, they'll pass the credit requirements for your solar lease.

  • At the end of the term: When your agreement ends, you can either buy the system outright, have the leasing company remove it, or leave it in place and renew the agreement with the owner.

EnergySage is the nation's leading online solar marketplace. When you sign up for a free account, we connect you with local solar companies who compete for your business and provide custom quotes tailored to your needs. Over 10 million people visit EnergySage annually to learn about, shop for and invest in solar. Sign up today to see how much you can save with solar.

Find out what solar panels cost in your area in 2024
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  • 100% free to use, 100% online
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